Novel silica supported gold and copper ferrite nanoparticles (NPs) have been synthesized, characterized and used as a separable dual catalyst in Sonogashira type reaction. These Au.CuFe2O4@ Silica NPs show a high efficiency as catalyst in the alkynylation not only of aryl iodides but also aryl bromides. By using only 0.5 mol% loading and t-BuOK as base in N, N-dimethylacetamide as solvent, aryl iodides react at 115 degrees C in 1 d, whereas for aryl bromides the cross-coupling takes place at 130 degrees C in 2 d. The catalyst can be successfully recycled using an external magnet for four consecutive runs.
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Univ San Carlos, Escuela Quim, 11 Av Ciudad Guatemala, Guatemala City 01012, GuatemalaUniv San Carlos, Escuela Quim, 11 Av Ciudad Guatemala, Guatemala City 01012, Guatemala
Torres-Mendez, C. E.
Lopez-Mayorga, B.
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Univ San Carlos, Escuela Quim, 11 Av Ciudad Guatemala, Guatemala City 01012, GuatemalaUniv San Carlos, Escuela Quim, 11 Av Ciudad Guatemala, Guatemala City 01012, Guatemala
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Sun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China
Yang, Bo
Mao, Zuxing
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Sun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China
Mao, Zuxing
Zhu, Xinhai
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Sun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China
Zhu, Xinhai
Wan, Yiqian
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Sun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China
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Univ San Carlos, Escuela Quim, 11 Av Ciudad Guatemala, Guatemala City 01012, GuatemalaUniv San Carlos, Escuela Quim, 11 Av Ciudad Guatemala, Guatemala City 01012, Guatemala
Torres-Mendez, C. E.
Lopez-Mayorga, B.
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Univ San Carlos, Escuela Quim, 11 Av Ciudad Guatemala, Guatemala City 01012, GuatemalaUniv San Carlos, Escuela Quim, 11 Av Ciudad Guatemala, Guatemala City 01012, Guatemala
机构:
Sun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China
Yang, Bo
Mao, Zuxing
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Sun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China
Mao, Zuxing
Zhu, Xinhai
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机构:
Sun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China
Zhu, Xinhai
Wan, Yiqian
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h-index: 0
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Sun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China